Home / 31,330.68-43,211.14-27,545.74

Finding the Fourth Proportional to 31,330.68, 43,211.14 and 27,545.74

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Solution

The fourth proportional to 31,330.68, 43,211.14 and 27,545.74 is: 37,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.68 : 43,211.14 = 27,545.74 : x
  2. Step 2: Convert to fraction form
    31,330.68/43,211.14 = 27,545.74/x
  3. Step 3: Cross multiply
    31,330.68x = 43,211.14 × 27,545.74
  4. Step 4: Simplify right side
    31,330.68x = 1,190,282,827.54
  5. Step 5: Solve for x
    x = 1,190,282,827.54/31,330.68
  6. Step 6: Final answer
    x = 37,990.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.